unoxml/source/xpath/nodelist.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <sal/types.h>
  23 #include <rtl/ref.hxx>
  24
  25 #include <cppuhelper/implbase.hxx>
  26
  27 #include <com/sun/star/uno/Reference.h>
  28 #include <com/sun/star/xml/dom/XNode.hpp>
  29 #include <com/sun/star/xml/dom/XNodeList.hpp>
  30
  31 #include <libxml/xpath.h>
  32
  33 #include "../dom/document.hxx"
  34
  35 #include <memory>
  36
  37 namespace DOM {
  38     class CDocument;
  39 }
  40
  41 namespace XPath
  42 {
  43
  44     class CNodeList : public cppu::WeakImplHelper< css::xml::dom::XNodeList >
  45     {
  46     private:
  47         /// #i115995# keep document alive
  48         ::rtl::Reference< DOM::CDocument > const m_pDocument;
  49         ::osl::Mutex & m_rMutex;
  50         /// retain the result set in case the CXPathObject is released
  51         std::shared_ptr<xmlXPathObject> m_pXPathObj;
  52         xmlNodeSetPtr m_pNodeSet;
  53
  54     public:
  55         CNodeList(
  56                 ::rtl::Reference<DOM::CDocument> pDocument,
  57                 ::osl::Mutex & rMutex,
  58                 std::shared_ptr<xmlXPathObject> const& rxpathObj);
  59         /**
  60         The number of nodes in the list.
  61         */
  62         virtual sal_Int32 SAL_CALL getLength() override;
  63         /**
  64         Returns the indexth item in the collection.
  65         */
  66         virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL item(sal_Int32 index) override;
  67     };
  68 }
  69
  70 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */